The dimensionality of suicidal ideation and its clinical implications

Marc Baertschi; Alessandra Costanza; Alessandra Canuto; Kerstin Weber

doi:10.1002/mpr.1755

journal article Nov 13, 2018

The dimensionality of suicidal ideation and its clinical implications

Marc Baertschi

Alessandra Costanza

Alessandra Canuto Kerstin Weber

International Journal of Methods in Psychiatric Research Vol. 28 No. 1 · Wiley

View at Publisher Save 10.1002/mpr.1755

Abstract

AbstractObjectivesNo consensus has been reached regarding the theoretical dimensions underlying the Scale for Suicide Ideation (SSI) and Beck's Scale for Suicide Ideation (BSI), widely used in research and clinical practice. This undermines the understanding and management of suicidal behavior.MethodsThe factor structure of the SSI and the BSI was investigated in 201 patients visiting the emergency department of the Geneva University Hospital, Switzerland, for suicidal ideation or a suicide attempt.ResultsExploratory factor analyses (EFAs) identified a unique theoretical dimension. Item removal based on analyses of communalities improved the explained part of variance in both scales. A joint factor analysis provided results very similar to those yielded by initial EFAs.ConclusionsThe single factor underlying the SSI and the BSI was composed of items encompassing a construct of suicide desire. Nonretained items corresponded to other elements of suicidal behavior (e.g., plans and preparations regarding the upcoming suicide attempt). These scales could not discriminate between suicide ideators and suicide attempters.

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References

Details

Published: Nov 13, 2018
Vol/Issue: 28(1)
License: View

Authors

M

Marc Baertschi

Service of Liaison Psychiatry and Crisis Intervention Geneva University Hospitals Geneva Switzerland

A

Alessandra Costanza

Service of Liaison Psychiatry and Crisis Intervention Geneva University Hospitals Geneva Switzerland

A

Alessandra Canuto

Service of Liaison Psychiatry and Crisis Intervention Geneva University Hospitals Geneva Switzerland

K

Kerstin Weber

Service of Liaison Psychiatry and Crisis Intervention Geneva University Hospitals Geneva Switzerland

Cite This Article

Marc Baertschi, Alessandra Costanza, Alessandra Canuto, et al. (2018). The dimensionality of suicidal ideation and its clinical implications. International Journal of Methods in Psychiatric Research, 28(1). https://doi.org/10.1002/mpr.1755

The dimensionality of suicidal ideation and its clinical implications

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